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On the roof of a train travelling on horizontal rails, a simple pendulum swing. If the pendulum’s string is pointing towards the front, the train is-
- a)Moving at a steady speed
- b)Moving with acceleration
- c)Moving with retardation
- d)At rest
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
On the roof of a train travelling on horizontal rails, a simple pendul...
If the pendulum's string is pointing towards the front of the train, it means that the pendulum is aligned with the direction of motion of the train. In this case, if the train is moving with retardation (deceleration), the pendulum will swing backward relative to the train's motion. The retardation of the train causes the pendulum to swing in the opposite direction.
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On the roof of a train travelling on horizontal rails, a simple pendul...
Explanation:
Simple Pendulum on the Train Roof:
- When a simple pendulum swings on the roof of a train, its behavior can provide information about the motion of the train.
String Pointing Towards the Front:
- If the string of the pendulum is pointing towards the front of the train, it indicates that the train is moving with retardation.
- Retardation refers to the decrease in the speed or acceleration of an object.
Reasoning:
- When the string of the pendulum points towards the front, it means that the train is decelerating or slowing down.
- This causes the pendulum to swing towards the front as the train's motion is affecting the direction of the pendulum's swing.
Implications:
- The pendulum's behavior can be used as a simple indicator of the train's motion without the need for complex measurements or instruments.
- It demonstrates the principle of relative motion and how different frames of reference can affect the behavior of objects.
Conclusion:
- In this scenario, the train is moving with retardation, as indicated by the pendulum swinging towards the front. This simple observation can provide valuable insights into the train's motion without the need for advanced equipment.
Simple Pendulum on the Train Roof:
- When a simple pendulum swings on the roof of a train, its behavior can provide information about the motion of the train.
String Pointing Towards the Front:
- If the string of the pendulum is pointing towards the front of the train, it indicates that the train is moving with retardation.
- Retardation refers to the decrease in the speed or acceleration of an object.
Reasoning:
- When the string of the pendulum points towards the front, it means that the train is decelerating or slowing down.
- This causes the pendulum to swing towards the front as the train's motion is affecting the direction of the pendulum's swing.
Implications:
- The pendulum's behavior can be used as a simple indicator of the train's motion without the need for complex measurements or instruments.
- It demonstrates the principle of relative motion and how different frames of reference can affect the behavior of objects.
Conclusion:
- In this scenario, the train is moving with retardation, as indicated by the pendulum swinging towards the front. This simple observation can provide valuable insights into the train's motion without the need for advanced equipment.
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On the roof of a train travelling on horizontal rails, a simple pendulum swing. If the pendulum’s string is pointing towards the front, the train is-a)Moving at a steady speedb)Moving with accelerationc)Moving with retardationd)At restCorrect answer is option 'C'. Can you explain this answer?
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